baber/WOPTO huggingface dataset:
Patent GB-528512-A (GB)
Title: Improvements in or relating to the lasting of moccasins
IPC: A43D113/00
Filed: 1939-04-28
Abstract: 528,512. Lasting moccasins. BRITISH UNITED SHOE MACHINERY CO., Ltd. (United Shoe Machinery Corporation). April 28, 1939, No. 12707. Addition to 491,871. [Class 17 (i)] Improvements are made in the apparatus described in the parent Specification. Improved forms are used, improved clamping devices and an improved hold-down. A flexible cable which rides up the upper from the base of the form as it is tensioned performs the shaping. The lasted upper is heated to set it. A folding machine of the kind described in Specification 208,217, [Class 42 (i)], flanges the edges of the upper and toe-piece to increase the area of the cement joint between these parts. The form may comprise a hollow aluminium main portion, with a removable upper fore part 66 retained in position by a spring pin 70. In a modification, the heel portion is hinged, and the removable upper forepart is retained by a longitudinal member expanded by a spring and comprising a pin at one end engaging a socket and a latch at the other end. Wooden plugs enable tacks to be driven into the form. The clamp for retaining the shaped upper in position around the toe may comprise a bail with hooked ends retaining a clamp 39 of U-shape carrying a U-shaped strip 41 engaging the edge of the sole. An appropriate recess on the form is provided for the midpoint of the bail. The continuous member 41 may be substituted by turned-in portions depending from the clamp 39. The lasting cable 28 is secured to a lever 100 forced clockwise to tighten the cable by a cam 102 swinging with teeth engaged by a plunger 110 carried by a handle 106. The form is urged forwardly by a screw 84 rotated by a hand-wheel 202. The connection between the form and screw admits of the form being pushed forward to take up the slack in the cable when positioning work, the screw being engaged by half-nuts 88 carried by levers slotted to engage pins 94 on a lever having a thumb piece 98 for actuation by the operator. The form is held down by a member 124 carried by a rod 128 depressed against a spring by a lever 148 actuated by a chain 140 and treadle. For positioning the forepart clamp a bar 158 is carried by a swivel member 161 to enable both ends of the bar to be used, and thus different sized forms to be provided for. The swivel member is carried by a slide 160 urged away from the work by springs but drawn towards it by a chain 182 secured to a treadle. A spring-pressed wedge 170 raises the clamp until its shoe bottom engaging members contact with the work. In a modification, this slide may actuate a pair of struts 190 for tightening the clamp about the upper. A pusher 196 corresponds to the bar 158.
Patent GB-1443690-A (GB)
Title: Electrolytic cells
IPC: C25B9/19
Filed: 1975-03-26
Abstract: 1443690 Diaphragm cells ORONZIO DE NORA IMPIANTI ELETTROCHIMICI SpA 26 March 1975 [1 April 1974] 12759/75 Heading C7B A diaphragm electrolysis cell, e.g. for production of chlorine and caustic soda from brine, chlorates and hypochlorites, electrolysis of Li, Na or KCI, Br or I, or organic oxidation or reduction, comprises elongated side and end-walls 2 or 23, 24 forming a horizontal anode compartment containing horizontal non-porous, solid anodes 8 e.g. with supports or lead-ins 8a passing through flexible cover 6; a cathode compartment formed by a trough 22 containing a horizontal cathode screen 26 supported by contact strips 25 from the cell bottom 1a, below the anode compartment and separated therefrom by a diaphragm 27; means to feed electrolyte e.g. brine through sparge pipe 32 into the anode compartment and remove anodic gases therefrom, e.g. chlorine through outlet 33 and separation column 34; means to remove catholyte, e.g. through outlet 28 and collection pipe 30, and cathodic gases, e.g. hydrogen through outlets 31, 31a and collection pipe 38, from the cathode compartment; means to conduct electric current to and from the anodes and cathode e.g. via copper bus-bars 13, 14; and means to insulate the anode compartment from the cathode compartment, e.g. plastics strips 29 on extension members 21 or ebonite layer 2a on side walls 23, 24. The above cell is particularly converted from a mercury cathode cell by forming a cathode compartment, provided with a cathode screen 26 e.g. of wire mesh or expanded metal, a diaphragm 27 e.g. of asbestos slurry deposited on the screen, and means to remove catholyte and cathodic gases. Spent anolyte may be regenerated and recycled. Adjustable super-atmospheric pressure may be created in the anode compartment to control the anolyte flow through the diaphragm, e.g. by forming a liquid column (34) of adjustable height. The anodes may be of graphite or Ti or Ta coated with Pt group metal and/or metal oxide. The electrode gap is preferably 2À5 to 6À0 mm. The diaphragm may be pre-formed, e.g. pre-baked resin impregnated asbestos, silicate-containing, permselective such as sulphonated polymers of trifluorostyrene or perfluorosulphonic acid, or of asbestos coated or impregnated with resin and/or fluorocarbon.
Patent GB-706714-A (GB)
Title: An improved hydraulic power lifter, more particularly for agricultural tractors
IPC: A01B63/10
Filed: 1949-11-22
Abstract: 706,714. Hydraulic machines. MASCHINENFABRIK FAHR AKT.-GES. Nov. 22, 1949 [Oct. 7, 1948], No. 12768/51. Divided out of 29917/49 (as open to inspection under Sect. 91). Class 69 (2) In a hydraulic power lifter having a switching lever for initiating the lowering and raising operations, a disc sector or the like mounted on a rotary lifter shaft is provided with a fixed abutment which towards the end of the lowering or raising operation comes in contact with stops on the switching lever to return the lever and the control valve which is coupled thereto into the holding position. A lifter shaft 16, Fig. 6, is rotated by a piston 35d in a cylinder 4 through a crank 38, liquid supply to the cylinder being under the control of a rotary valve 40 operatively connected by a rod 7, Fig. 2, to a switch lever 6 rotatably mounted on the shaft 16. A sector 12 secured to the shaft 16 has a pin 25 which engages stops 31, 32 on the lever 6 in the lowered and raised position respectively to return the lever 6 and valve 40 to the hold position. The rod 7 is biased to the hold position of the valve 40 by a spring 35 and may be retained in the two working positions by a ball catch. A preselector lever 11 having an abutment 24 is rotatably mounted on the shaft 16 and has a tooth engagable with notches 26 on the sector 12 for driving the preselector lever. The abutment 24 can contact a projection 29 on the lever 6 to return it to the hold position before the lowering operation is completed. The lever 6 is rotatable about a pin 55 so that the projection 29 may be withdrawn from the path of the abutment 24 to complete the lowering operation without upsetting the adjustment of the lever 11. The outlet from the cylinder 4 to the valve 40 is through a restricted passage 43 to control the lowering speed.
Patent GB-220697-A (GB)
Title: A process for the extraction of the fat-soluble vitamin
IPC: A61K31/59
Filed: 1923-05-14
Abstract: The fat-soluble vitamin is extracted from fish oils, fish-liver oils, butter and other milk fats, &c., by converting the fatty material into an insoluble soap, either directly or through the intermediary of a soluble soap, and treating the insoluble soap with an organic solvent.  The access of air during the extraction process should be avoided.  According to the examples (1) a solution of the vitamin is obtained by saponifying cod-liver oil hot or cold with alcoholic calcium or barium hydroxide and filtering the product, or by saponifying the oil with calcium or barium hydroxide under ordinary or increased pressure and treating the product with alcohol or ether; (2) the raw material is saponified hot or cold with alcoholic caustic potash or soda, calcium or barium chloride then added, and the soaps removed by filtration.  In both cases, any calcium or barium hydroxide remaining in the product is precipitated by passing carbon dioxide, and the evaporated filtrate is then treated with ether, benzene or chloroform, which takes up the vitamin leaving behind the glycerin and mineral salts.  Any soap present is removed by conversion into the alkali soap and washing this out with water. Small quantities of fatty acid still remain and these are eliminated by treatment with potassium carbonate, followed if necessary by the addition of dilute silver nitrate solution.  A crude vitamin is obtained which is freed from cholesterol by dissolving it in 85-90 per cent methyl alcohol and allowing the cholesterol to crystallize out.  The properties of the product are described.  The vitamin may conveniently be dissolved in fatty matter or alcohol, or be absorbed by lactose, starch or the like.  The Specification makes reference to the results obtained when cod-liver oil and butter are subjected to hot or cold saponification with various agents and describes the extraction of the vitamin from cod-liver oil by adding oleic acid thereto, extracting with alcohol and freeing the extract from its oleic content.  Specification 227,122 is referred to.
Patent GB-237222-A (GB)
Title: Improvements in and relating to fluid heating apparatus
IPC: F22G1/06
Filed: 1925-05-20
Abstract: 237,222. Power Specialty Co., (Assignees of Bell, J. E.). July 17, 1924, [Convention date]. Arrangements of superheating tubes in boiler furnaces; mounting and supporting.-A steam superheater incorporated in a furnace wall and exposed on one side to the radiant heat of the furnace is provided with means for accommodating or restraining the tendency of the apparatus to change its form and dimensions by expansion and contraction. A superheater housed in the rear wall of a boiler furnace has cast steel elements C, Figs. 1, 2 and 3, of rectangular cross-section. Each element is connected at its ends to transverse headers E, E<1> by more or less flexible pipe connections D, and is secured at its centre to a horizontal beam F secured in a rigid frame G, H, I held on the furnace wall. The ends and centre of an element are so secured to the framework and horizontal beam by projections C, C<1> engaging with pins K as to allow longitudinal movement of the element. The space between the elements and the inner edges of the framwork is filled with packing material. The pipe connections D pass through spaces filled with packing material at the top and bottom of the framework. The headers are yieldingly supported by springs Q. The elements may be arranged horizontally instead of vertically, as shown. Each element may be formed in two parts secured end. to end by an internally threaded nipple C<10>, Fig. 8, and by welding. The ends of each part of an element are secured to the framework by bolting lugs C" on the elements to flanges on the framework. Specifica. tion 208,695 is referred to. According to the Specification as open to inspection under Sect. 91 (3) (a), comparatively short elements not secured at their centre have lower pipe connections D, Fig. 11 (Cancelled), held in sleeves expanded at their ends in cast iron boxes T. The upper pipe connections pass freely through packing material. The elements may be secured together at their ends by an angle bar F<30>. The headers are secured at one end and are supported at their other end on rollers. This subject-matter does not appear in the Specification as accepted.
Patent GB-1464556-A (GB)
Title: Strings for musical instruments
IPC: G10D3/12
Filed: 1973-05-20
Abstract: 1464556 Metal strings JAMES HOW INDUSTRIES Ltd 10 May 1974 [20 May 1973] 13182/73 Heading G5J A metal string for a fingerboard-type stringed musical instrument comprises a core of a single wire or a plurality of wires loaded from one end of the string to an intermediate point, the remainder of the core being unloaded. When used on a guitar (Fig. 4, not shown), the unloaded portion of the string, which is preferably not less than 20% of the length of the loaded portion, extends over the bridge 3 so that a small length a thereof is incorporated in the speaking length defined between the nut (12) and the bridge 3. The length a may not be greater than 1% of the speaking length and is preferably between 0À2% and 0À4%.
Patent GB-215962-A (GB)
Title: Improvements in or relating to machines for making wire netting
IPC: B21F27/06
Filed: 1923-05-17
Abstract: 215,962. Bond, E. S. May 17, 1923. Making netting.-In a machine for making wirenetting of the type comprising upper and lower pairs of semi-cylindrical segments carried by longitudinal slides and rotated by half-pinions engaged by sliding racks, the spring c which supports the tube e enclosing one wire h of each pair, and which encircles the cvlindrical eccentric extension a<1> of one of the lower pairs of segments a, is surrounded by a casing to prevent entanglement with broken wires. The casing consists of telescopic apertured cup-shaped members f. f<1>. The extension a<1> has a head a<2> fitting in the tube e, which is supported on a sliding collar d.
Patent GB-419452-A (GB)
Title: Improvements in or relating to television
IPC: H01J31/30
Filed: 1933-05-05
Abstract: 419,452. Television transmitters. ELECTRIC & MUSICAL INDUSTRIES, Ltd., Blyth Road, Hayes, Middlesex, and McGEE, J. D., 9, King's Avenue, Ealing, London. May 5, 1933, No. 13197. [Classes 39 (i) and 40 (iii).] The insulated elements of a mosaic screen 11 have on one side a coating of photo-electric material on which the picture is projected, and the opposite side is scanned by a cathode ray 21. The mosaic consists of short aluminium wires with a thin insulating coating of aluminium oxide covered by a conducting film of silver, Fig. 2 (not shown). The photo-electric emission from the screen is collected by an earthed grid 10. Each element of the mosaic thus receives a charge dependent on the strength of the incident light. When the cathode-ray is incident on an element, the latter reaches the negative potential at which its retarding effect on the ray so reduces its speed that the number of secondary electrons 22 equals the number of primary electrons, Fig. 3 (not shown). The number of secondary electrons emitted thus varies with the charge given photo-electrically to each element of the mosaic. The secondary emission is collected by a ring electrode 12, and the voltage across a resistance 18, connected between the electrode and earth, is applied to a valve 19.
Patent GB-353907-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q1/36
Filed: 1930-04-29
Abstract: 353,907. Automatic exchange systems. SIEMENS & HALSKE AKT.-GES., Wernerwerk, Siemensstadt, near Berlin. April 29, 1930, No. 13210. Convention date, April 29, 1929. [Class 40 (iv).] In a repeater, the impulse receiving device is disconnected from the outgoing line prior to each train of impulses in order to prevent disturbing influences on the receiving device by discharge currents in the outgoing line more particularly in systems employing alternating current impulses of speech frequency. As shown in Fig. 1, wherein direct current impulses are repeated, when the group selector IGW is seized by preselector VW, relay C is operated to prepare test circuit for succeeding group selector HGW and the impulse repeating circuit at contact 10c. Impulses over the subscriber's loop operate relay A to cause selector IGW to hunt for a free selector IIGW in the usual manner. Relay P operates to switch through the speaking leads. The first impulse of the subsequent train releases relay A which energizes relay I. Relay I disassociates the outgoing leads a, b from the relay A at contacts 5i, 6i and operates relay N which repeats the impulses at contact 4n. Slow release relay V is operated throughout the impulse train to maintain open the connection between the relay A and the outgoing circuit. In the arrangement shown in Fig. 2, alternating current impulses at a particular frequency within the speech range e.g. 500 cycles are repeated from a source WQ through repeaters Ue1, Ue2, the latter of which controls a valve receiver RE comprising a blocking circuit F1. and a receiving circuit F2. The circuit F2 is tuned to the impulse frequency and controls relay G2, while the circuit F1 passes all other frequencies to operate relay M2. Thus operation of the repeating relay A2 by contact g2 of relay G2 is prevented by the opening of contact m2 of relay M2 if frequencies other than the pure signalling frequency are transmitted. The initial impulse of a train operates relay A2 which energizes locking relay C2 to prepare circuit of test wiper and initiate operation of preselector VW. Relay A2 also operates 12 which disconnects the valve receiver from the outgoing leads a, b and operates relay N2 which repeats the impulses at contact n2. Relay 12 also operates slow-release relay V2 which maintains the disconnection throughout each train of impulses. Release of the equipment is accomplished by a final long impulse which causes shortcircuit of relay C2 and the removal of the marking on the test wiper of preselector VW.
Patent GB-345543-A (GB)
Title: Apparatus for the production of ultra-short electric waves
IPC: H01J25/68
Filed: 1930-04-29
Abstract: 345,543. Valve generating circuits. ESAU, A., 1, Sophienstrasse, Jena, Germany. April 29, 1930, No. 13221. Convention date, July 25, 1929. [Class 40 (v).] Apparatus for the production of ultra short waves comprises a four-electrode valve having an electrode at high positive potential situated between the filament and an electrode at low negative potential, an additional electrode being connected to one pole of the external work circuit, the other pole of which is connected to one of the biased electrodes. The drawing shows a twogrid valve in which the grid G is at a high potential with respect to the anode A while the grid G2 is negatively biased. The output dipoles Di are coilnected to the anode and grid G1. Efficiency is increased by connecting valves in parallel.
Patent GB-528794-A (GB)
Title: Improvements in calculating devices for direction finders
IPC: G01S1/02
Filed: 1939-05-03
Abstract: 528,794. Calculating devices. STANDARD TELEPHONES & CABLES, Ltd. May 3, 1939, No. 13223. Convention date, June 2, 1938. [Class 106 (i)] A calculating device for direction finders such as radio goniometers comprises three concentric independently rotatable discs carrying respectively scales of geographic meridians, magnetic meridians and radio-goniometric bearings, a cursor arm fixed to the zero of the last-named disc, and an independently movable assembly arranged to compensate for errors (in particular quadrantal error) peculiar to the radio goniometer with which the device is intended to be used. The geographic meridian disc G carries two sets of graduations, progressing clockwise from 0 degrees to 360 degrees and displaced by 180 degrees with respect to each other. The magnetic meridian disc M carries on the outer edge a set of graduations progressing clockwise from 0 degrees to 360 degrees, and on the inner edge an auxiliary set progressing to 90 degrees on either side of the same zero (only one set being shown). The radio-goniometric disc R carries a set of graduations progressing anticlockwise from 0 degrees to 360 degrees and a cursor arm A fixed to its zero, and is rigidly connected, via arm A and sleeve D, to a correcting cam CC, which normally engages a pin T. The pin T is attached to a curved arm I pivoted at one end to a lever L1 and bearing at the other end upon a lever BC. An elastic connection RS is provided between arm I and lever BC. Levers BC and L1 are rigidly connected, via a sleeve D1 and a spindle D2, to the cursor arms C and B respectively. The mechanism is braked by a spring FR which engages the inside of a flange N. In use the relative positions of discs G and M having been fixed from a knowledge of the magnetic declination of the locality, the pointer labelled " True Course " on arm B is brought immediately over the graduation on disc G corresponding to the geographic course chosen and the disc R is then rotated to bring the graduation corresponding to the radio-goniometric bearing in line with the cursor on arm C. The true bearing and compass bearing are then indicated by the cursor arm A on discs G and M respectively. The Specification describes how the correcting cam CC is constructed to produce a displacement between the cursor arms B and C according to the quadrantal error of the radio-goniometer arrangement with which the calculating device is intended to be used.
Patent GB-691116-A (GB)
Title: An improved quantity-of-heat meter for use more especially in houses and flats
IPC: G01K17/14
Filed: 1950-05-26
Abstract: 691,116. Measuring heat quantities. LANDIS & GYR AKT.-GES. May 26, 1950 [June 3, 1949], No. 13361/50. Class 97 (iii). A heat quantity meter, e.g. for houses, flats, &c. for heating systems with circulating pumps in which the differential pressure between the flow and return pipes is therefore substantially inversely proportional to the quantity of heating medium flowing around the installation (because of the variation in the number of parallel consumers in action) comprises means for integrating with respect to time the temperature difference between the flow and return pipes, and a correcting device for detecting variations from a predetermined datum value of the differential pressure and for correcting the integration measurement in inverse proportion to such variations. As shown, a differential temperature device 11 is connected between the flow and return pipes 3, 4 of the installation including a circulating pump 2 and radiators 5 and comprises heat feelers 12, 13 connected through capillary tubes 14, 15 to bellows 16, 17 which through toothed bars 19, 18 are coupled to a differential gear, the planet wheel 23 of which sets a control disc 24 in proportion to the temperature difference between the flow and return pipes 3, 4. The disc 24 acts on a multiplying gear, e.g. the variable gear mechanism driven directly by the constant speed-motor, as described in Specification 612,841. A differential pressure sensitive device comprising bellows 27, 28, connected to the flow and return pipes 3, 4, which transmit their movements to a rack 29 rotates a toothed wheel 30 to turn a control disc 31 by amounts proportional to the variations in the pressure difference in the flow and return pipes and is arranged to act, e.g. on the other variable gear mechanism as described in Specification 612,841 to vary the integration inversely as the said variations in the differential pressure.